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Lock and Dam Number 15
Access Bridge
HSRNational HSR. Local HSR.

Rough Distance: 0 Miles (0 Kilometers)

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Dam Access Road Over Mississippi River in Davenport and Rock Island: Scott County, Iowa and Rock Island County, Illinois, United States
Metal 11 Panel Rivet-Connected K-Truss Deck Truss, Fixed
Length: 1,270 ft. Main Span: 116 ft. Roadway: 17 ft. Main Spans: 11
Built 1934 By: American Bridge Company of New York, New York
Government Bridge
Arsenal Bridge
HSRNational HSR. Local HSR.

Rough Distance: 0.1 Miles (0.2 Kilometers)

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Fort Armstrong Avenue (2nd Street) and Railroad () Over Mississippi River and Various Streets and Railroads in Davenport and Rock Island: Scott County, Iowa and Rock Island County, Illinois, United States
Metal 16 Panel Pin-Connected Baltimore Through Truss, Movable: Swing (Rim Bearing Center Pier) and Approach Spans: Metal 12 Panel Pin-Connected Baltimore Through Truss, Fixed
Length: 1,848 ft. Main Span: 366 ft. Roadway: 25.3 ft. Main Spans: 1
Built 1896 By: Phoenix Bridge Company of Phoenixville, Pennsylvania and Ralph Modjeski
Centennial Bridge
Rock Island Centennial Bridge
HSRNational HSR. Local HSR.

Rough Distance: 0.8 Miles (1.3 Kilometers)

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US-67 Over Mississippi River and Various Streets and Railroads in Davenport and Rock Island: Scott County, Iowa and Rock Island County, Illinois, United States
Metal Tied Solid Ribbed Through Arch, Fixed and Approach Spans: Metal Stringer (Multi-Beam), Fixed
Length: 3,853 ft. Main Span: 538 ft. Roadway: 46 ft. Main Spans: 5
Built 1940 By: American Bridge Company of New York, New York and Ash, Howard, Needles, and Tammen of New York, New York
X
Sylvan Island Highway Bridge
2nd Street Bridge
HSRNational HSR. Local HSR.

Rough Distance: 2.1 Miles (3.4 Kilometers)

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2nd Street (Pedestrian Walkway) Over Sylvan Slough in Moline: Rock Island County, Illinois, United States
Metal 7 Panel Pin-Connected Pratt Through Truss, Fixed
Length: 200 ft. Main Span: 110 ft. Main Spans: 2
Built 1901 By: Clinton Bridge and Iron Works of Clinton, Iowa
Sylvan Island Railroad Bridge
HSRNational HSR. Local HSR.

Rough Distance: 2.3 Miles (3.7 Kilometers)

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Railroad (Abandoned) Over Sylvan Slough in Moline: Rock Island County, Illinois, United States
Metal (Cast Iron) 15 Panel Multiple-Type-Connected Whipple (Double-Intersection Pratt) Through Truss, Fixed
Length: 202 ft. Main Span: 195 ft. Main Spans: 1
Built 1868 By: Detroit Bridge and Iron Works of Detroit, Michigan and Thomas Curtis Clarke
X
I-74 Bridges
Iowa-Illinois Memorial Bridge
HSRNational HSR. Local HSR.

Rough Distance: 3.5 Miles (5.6 Kilometers)

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I-74 Over Mississippi River in Bettendorf and Moline: Scott County, Iowa and Rock Island County, Illinois, United States
Metal Pony Truss Stiffening Wire Cable Suspension, Fixed and Approach Spans: Metal Continuous Rivet-Connected Warren Pony Truss, Fixed
Length: 5,018 ft. Main Span: 740 ft. Roadway: 23.3 ft. Main Spans: 3
Built 1935 By: McClintic-Marshall Company of Pittsburgh, Pennsylvania and Modjeski and Masters (Ralph Modjeski)
US-67 Rock River North Channel Bridge
Vandruff Island Bridge North
HSRNational HSR. Local HSR.

Rough Distance: 3.6 Miles (5.8 Kilometers)

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US-67 Over Rock River (North Channel) in Rock Island and Milan: Rock Island County, Illinois, United States
Metal 10 Panel Tied Solid Ribbed Through Arch, Fixed and Approach Spans: Metal Continuous Stringer (Multi-Beam), Fixed
Length: 706 ft. Main Span: 270 ft. Roadway: 52.5 ft. Main Spans: 1
Built 1948 By: Unknown
Vandruff Island Railroad Bridge North
Rock River North Channel Railroad Bridge
HSRNational HSR. Local HSR.

Rough Distance: 3.7 Miles (5.9 Kilometers)

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Railroad (Iowa Interstate Railroad) Over Rock River (North Channel) in Rock Island and Milan: Rock Island County, Illinois, United States
Metal Rivet-Connected Lattice (Quadruple Warren) Through Truss, Fixed
Length: 470 ft. Main Span: 155 ft. Main Spans: 3
Built By: Lassig Bridge and Iron Works of Chicago, Illinois
Vandruff Island Railroad Bridge South
Rock River South Channel Railroad Bridge
HSRNational HSR. Local HSR.

Rough Distance: 3.9 Miles (6.2 Kilometers)

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Railroad (Iowa Interstate Railroad) Over Rock River (South Channel) in Milan: Rock Island County, Illinois, United States
Metal 9 Panel Rivet-Connected Lattice (Quadruple Warren) Through Truss, Fixed
Length: 417 ft. Main Span: 150 ft. Main Spans: 3
Built By: Lassig Bridge and Iron Works of Chicago, Illinois
US-67 Rock River South Channel Bridge
Vandruff Island Bridge South
HSRNational HSR. Local HSR.

Rough Distance: 3.9 Miles (6.3 Kilometers)

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US-67 Over Rock River (South Channel) and Hennepin Canal in Milan: Rock Island County, Illinois, United States
Metal 12 Panel Tied Solid Ribbed Through Arch, Fixed and Approach Spans: Metal Continuous Stringer (Multi-Beam), Fixed
Length: 703 ft. Main Span: 302 ft. Roadway: 52.5 ft. Main Spans: 2
Built 1948 By: Unknown

Special Bridge Conditions Legend: R - Former location of relocated bridge. ! - At risk for demolition or destruction. X - Confirmed demolished or collapsed. S  - Dismantled and/or in storage. L -  Severe loss of historic integrity due to alteration.

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